Miroc drilling NQ Reaming shells High Grate Carbide couple the
drill bit with the core barrel
Reaming shells
Reaming shells are placed behind the drill bit on the core barrel
to maintain the correct hole diameter and stabilize the core
barrel.
A reaming shell has to be replaced when its diameter becomes less
than the diameter of the new bit. In this way only the very last
part of the hole has to be reamed when a new bit is inserted. A
reaming shell also helps to stabilize the core barrel. Reaming
shells are available for all types of core barrels and drill bits.
Surface set reaming shells Standard surface set reaming shell set
with specially selected diamonds and PDC pins. Well designed
waterways, reinforced with PDC pins, facilitate effective flushing
and contribute to long service life and good drilling economy for
both reaming shells and drill bits.
Reaming shells are avialable in different designs:
10" Double ring reaming shell available only for BQ, NQ, HQ (need
inner tube adjustment).
FH special heavy duty design for long life with extra
stabilization.
STD (Standard design).
NQ Diamond Core Drill Bit and Reaming shell
Size: NQ
Diameter: 75.57/ 75.82mm
Availability type: Impregnated diamond reaming shell / Surface-set
diamond reaming shell
PCD reaming shell / Tungsten carbide reaming shell / Electroplated
diamond reaming shell
Connection: Core barrel & Drill bit, drill rod & drill rod.
Drill rig type: Core drilling rig machine.
Specifications:
| Specification Parameters |
| SIZE | Bit O.D. Hole Diameter | Bit O.D. Core Diameter | Reaming Shell O.D. |
| INCHES | MM | INCHES | MM | INCHES | MM |
| AQ | 1.870/1.880 | 47.50/47.75 | 1.057/1.067 | 26.85/27.10 | 1.885/1.895 | 47.88/48.13 |
| BQ | 2.340/2.350 | 59.44/59.69 | 1.428/1.438 | 36.27/36.53 | 2.355/2.365 | 59.82/60.07 |
| BQ3 | 2.340/2.350 | 59.44/59.69 | 1.315/1.325 | 33.40/33.65 | 2.355/2.365 | 59.82/60.07 |
| NQ | 2.960/2.970 | 75.18/75.44 | 1.870/1.880 | 47.50/47.75 | 2.975/2.985 | 75.57/75.82 |
| NQ2 | 2.960/2.970 | 75.18/75.44 | 1.990/2.000 | 50.65/50.80 | 2.975/2.985 | 75.57/75.82 |
We supply A-Gauge impregnated core bit:AQ, AW, AGM;
B-Gauge impregnated diamond core bit: BQ, BQ3, BTW, BX, LTK60;
N-gauge impregnated core bit:NQ, NQ2, NQ3, NMLC, TNW;
H-gauge impregnated core bit:HQ, HQ3, HMLC, HTW, HWF;
P-gauge impregnated core drilling bit:PQ, PQ3;
TT46 T2-46, TT56, T2-56, T2-66, T2-76, T2-86, T2-101;
T6-76 impregnated diamond core bit, T6-86, T6-101, T6-116, T6-131,
T6-146, etc.
Company Information:
KSQ Technologies (Beijing) Co. Ltd. has significant experience and
know-how in the supply of materials, components, finished goods,
specially designed/engineered equipment, and services from China.
The company caters to medium to large scale clients who are doing
projects and capital expansion, as well as to firms who require
support with consumable products, maintenance, and repair
operations. Our operations are based on the unique expertise of our
people and knowledge with customer processes. Our portfolio
includes: Consumables used in the mining and construction
industries Equipment used in the mining and construction industries
Spare parts used for the equipment we sell for the mining and
construction industries Green technologies, such as products that
reduce electric consumption or use alternate sources of energy
(solar, wind, etc.)
